"""PostCompact hook: re-inject economy rules after auto-compaction.
Reads state file (persists on disk after compaction), produces
additionalContext same as economy-mode.py would on UserPromptSubmit."""
import json
import os
import sys
import tempfile

try:
    sys.stdin.reconfigure(encoding="utf-8", errors="replace")
except Exception:
    pass


LEVEL_TOPLINE = {
    100: None,
    75: "Жёсткие/мета OFF: НЕ заявлять passed без запуска, НЕ cherry-pick, НЕ anchor на 1й гипотезе",
    50: "Жёсткие/мета OFF + verify memory + ≥2 гипотезы на debug + full test output",
    25: "verify-before-completion на ≥2-step задачах, full reads ≤5000, Grep limit 500",
    0: "ВСЕ паттерны OFF: full reads, full test output, ≥3 гипотезы на debug, verify perceived 'готово'",
}


def main() -> None:
    try:
        data = json.load(sys.stdin)
    except Exception:
        return
    sid = data.get("session_id")
    if not sid:
        return
    state_path = os.path.join(tempfile.gettempdir(), f"claude-economy-{sid}.json")
    if not os.path.exists(state_path):
        return
    try:
        with open(state_path, encoding="utf-8") as f:
            state = json.load(f)
    except Exception:
        return
    level = state.get("level")
    if level is None or level == 100:
        return
    topline = LEVEL_TOPLINE.get(level)
    if not topline:
        return
    label = state.get("label", f"{level}%")
    tail = state.get("tail", "")
    set_at = state.get("set_at", "unknown time")
    msg = (
        f"=== POST-COMPACTION RE-INJECT ===\n"
        f"Active economy mode: {label} — {tail}\n"
        f"(originally set at: {set_at})\n\n"
        f"Rules summary: {topline}\n\n"
        f"Full rules — re-read state file or check economy-mode.py LEVELS[{level}]['rules']."
    )
    out = {
        "hookSpecificOutput": {
            "hookEventName": "PostCompact",
            "additionalContext": msg,
        }
    }
    sys.stdout.write(json.dumps(out, ensure_ascii=True))


if __name__ == "__main__":
    main()